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H.320 is part of the ITU-T (International Telecommunications Union-Telecommunication Standardization Sector) standard for video conferencing. It specifies how the two B channels on the ISDN (Integrated Services Digital Network) basic rate service may be ganged together to offer a 128Kbps video channel.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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